Guaranteed Success in HCIP-Carrier IP H31-124_v2.0 Exam Dumps
Huawei H31-124_v2.0 Daily Practice Exam New 2022 Updated 60 Questions
NEW QUESTION 36
Which of the following statement are correct regarding TTL value in VRRP packet?
- A. The VRRP packet is only forwarded in one IP network, so the TTL value is always set to 1.
- B. The TTL value must be 255 In normal VRRP packet.
- C. By default, the VRRP packet with TTL value not equal to 255 will be dropped; On VRP, we can use some commands to disable the function of delecting TTL value.
- D. The TTL value of device from different manufactures is different; on VRP, the TTL value is 1.
Answer: B,C
NEW QUESTION 37
Which of the following statements regarding the description of LDP is incorrect?
- A. Between two LSRs that run LDP, the LDP session is established and Label/FEC mapping information is exchanged.
- B. The two routers between which LDP session is established are called LDP Peer.
- C. The UDP and TCP port number for LDP is 64.
- D. In MPLS, LDP is used to implement label distribution, label control and label retention.
Answer: C
NEW QUESTION 38
Which of the following statements about layer 2 LAN switch are incorrect?
- A. LAN switch will modify the network layer header of the packet and then forward it.
- B. LAN switch can learn Mac address automatically.
- C. LAN switch will modify the data link layer header of the packet and then forward it.
- D. LAN switch operates at data link layer.
Answer: A
NEW QUESTION 39
The IGMP snooping configuration is as follows:
#
vlan batch 3
#
igmp-snooping enable
#
vlan 3
igmp-snooping enable
#
interface GigabitEthernet1/0/1
port hybrid tagged vlan 3
I2-multicast static-group group-address 225.1.1.1 to 225.1.1.3 vlan 3
#
interface GigabitEthernet3/0/1
port hybrid tagged vlan 3
igmp-snooplng static-router-port vlan 3
Which of the following statements are correct?
- A. The device connected to GE 3/0/1 Is a multicast router.
- B. The device connected to GE 1/0/1 can receive multicast traffic only for the multicast groups 225.1.1.1 to 225.1.1.3. because static multicast groups are configured on GE 1/0/1.
- C. IGMP snooping has been enabled on the switch.
- D. The device connected to GE 1/0/1 can send Report messages to receive multicast data 'or multicast groups outside the 225.1.1.1 to 225.1-1.3 range.
Answer: D
NEW QUESTION 40
Which of the following statements regarding IP address 224.0.0.1 are correct?
- A. It is a private IP address.
- B. It represents all the hosts and routers.
- C. It is a multicast IP address.
- D. It represents all the routers.
Answer: B,C
NEW QUESTION 41
Which of the following are the features of Huawei IPRAN solution?
- A. Supports Layer 3 networking and smooth evolution to LTE, protecting customers' investment.
- B. Oriented to FMC and Adapted to Future Development Requirements.
- C. Based on a unified router platform and a unified VRP platform, IP RAN is compatible with PTN products.
- D. One network, one set of O&M, full service bearing, lowest network construction cost and O&M cost; Visualized O&M, Reducing O&M Costs and Simple and Efficient.
Answer: A,B,C,D
NEW QUESTION 42
The following commands ate configured on the router running BGP:
bgp 100
peer 12.12.12.2 as-number 200
ipv4familyunicast
network 1,1.1.1 255.255.255.255
undo synchronization
peer 12.12.12.2 enable
peer 12.12.12.2 next-hop-local
The IP address of the router's interface connected with peer 12.12.12.2 is 12.12.12.1. What's the function of the command "peer
12.12.12.2 next-hop-local"?
- A. Change the next hop of the routes received from peer 12.12.12.2 as 12.12.12.2
- B. This command does not work at all
- C. Change the next hop of the routes advertised to peer 12.12.12.2 as 12.12.12.1
- D. Change the next hop of the routes generated locally as 12.12.12.1
Answer: B
NEW QUESTION 43
After the server receives the PADR sent by the client, which message will be sent as the response and to identify the connection?
- A. PADO
- B. PADT
- C. PADS
- D. PADR
Answer: C
NEW QUESTION 44
Which of the following MPLS TE components is used to set up tunnel?
- A. Path calculation
- B. Signaling
- C. Information distribution
- D. Packet forwarding
Answer: B
NEW QUESTION 45
The Ethernet switch working in store and forward mode drops the frame with length smaller than 64 bytes.
- A. True
- B. False
Answer: A
NEW QUESTION 46
The IGMP snooping configuration is as follows:
#
vlan batch 3
#
igmp-snooping enable
#
vlan 3
igmp-snooping enable
#
interface GigabitEthernet1/0/1
port hybrid tagged vlan 3
I2-multicast static-group group-address 225.1.1.1 to 225.1.1.3 vlan 3
#
interface GigabitEthernet3/0/1
port hybrid tagged vlan 3
igmp-snooplng static-router-port vlan 3
Which of the following statements are correct?
- A. The device connected to GE 1/0/1 can receive multicast traffic only for the multicast groups 225.1.1.1 to
225.1.1.3. because static multicast groups are configured on GE 1/0/1. - B. IGMP snooping has been enabled on the switch.
- C. The device connected to GE 1/0/1 can send Report messages to receive multicast data 'or multicast groups outside the 225.1.1.1 to 225.1-1.3 range.
- D. The device connected to GE 3/0/1 Is a multicast router.
Answer: B,C,D
NEW QUESTION 47
There are two MAC address learning modes in the VPLS: unqualified and qualified. In qualified mode, all VLANs are processed by the same VSI and they share the same broadcast domain or MAC address space.
- A. True
- B. False
Answer: A
NEW QUESTION 48
Affinity attributes is link attributes in MPLS TE, it is configured under physical interface.
- A. True
- B. False
Answer: A
NEW QUESTION 49
How does MPLS BGP VPN handle the problem of address overlapping of different VPN sites?
- A. To use different routing protocols In the backbone network for afferent VPN.
- B. To allocate unique RD for each VPN.
- C. To maintain separate VRF lor different VPN.
- D. To allocate different LSP for each VPN.
- E. To allocate unique RT for each VPN.
Answer: A
NEW QUESTION 50
Which of the following statements regarding multicast MAC address is correct?
- A. The first six hexadecimal value of the multicast Mac address is 0x01005e.
- B. Multicast MAC address is composed of 23 bits.
- C. On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.
- D. The range of multicast MAC address is assigned by IEEE.
Answer: B
NEW QUESTION 51
Compared with VPLS, what are the characteristics of EVPN?
- A. By using the EVPN technology, PB on the carrier's backbone network do not need to establish full connections, which greatly reduces the network complexity and reduces the number of signaling messages.
- B. The PE learns the local and remote MAC addresses and their IP addresses through ARP and MAC address advertisement routes, and caches the information locally to prevent ARP request packets from being broadcast to other PEs and reduce network resource consumption.
- C. EVPN enables a device to implement load balancing among multiple EVPN routes with the same destination MAC address but different next hops when managing MAC addresses.
- D. EVPN needs to be configured to be in full connection state on all PEs on the carrier's backbone network.
That is, PWs must be set up between any two PEs.
Answer: C
NEW QUESTION 52
Assuming that a router which only supports IP Precedence receives a packet marked with DSCP, which of the following statements is correct?
- A. All 8 bits of TOS are set to zero.
- B. The first three bits of DSCP are mapped into three bits of IP Precedence.
- C. Eight levels of AF in DSCP are mapped into eight levels of IP Precedence.
- D. The last three bits of DSCP are set to 101.
Answer: C
NEW QUESTION 53
Which of the following statements about LAN switch is correct?
- A. LAN switch is transparent for user, it does not modify the data field of the forwarded frame.
- B. LAN switch can detect loop according to the contents of the packet.
- C. LAN switch can still operate normally even when loop exists.
- D. LAN switch can modify the data field of the forwarded frame when necessary.
Answer: D
NEW QUESTION 54
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